Home / 12,217,941.90-16,859,776.53-7,061,637.42

Finding the Fourth Proportional to 12,217,941.90, 16,859,776.53 and 7,061,637.42

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Solution

The fourth proportional to 12,217,941.90, 16,859,776.53 and 7,061,637.42 is: 9,744,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,941.90 : 16,859,776.53 = 7,061,637.42 : x
  2. Step 2: Convert to fraction form
    12,217,941.90/16,859,776.53 = 7,061,637.42/x
  3. Step 3: Cross multiply
    12,217,941.90x = 16,859,776.53 × 7,061,637.42
  4. Step 4: Simplify right side
    12,217,941.90x = 119,057,628,837,085.77
  5. Step 5: Solve for x
    x = 119,057,628,837,085.77/12,217,941.90
  6. Step 6: Final answer
    x = 9,744,491.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.